{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "io-usefulapi-stream",
  "component": "stream",
  "generated_at": "2026-09-21T03:29:09.017Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 26,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0946d-13a9-71f2-8082-104cb92ed8ac",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 07:02:51.485221+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a0946d-13a9-71f2-8082-104cb92ed8ac"
    },
    {
      "id": "chg_01a0946d-13aa-7288-a979-fc7f10ccaac3",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 07:02:51.485221+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a0946d-13aa-7288-a979-fc7f10ccaac3"
    },
    {
      "id": "chg_01a0946d-13aa-7856-89bb-464257374628",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 07:02:51.485221+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a0946d-13aa-7856-89bb-464257374628"
    },
    {
      "id": "chg_01a0946d-13aa-7e1d-b6f8-69fff2a3d4cd",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "13",
        "judged": "13"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 07:02:51.485221+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a0946d-13aa-7e1d-b6f8-69fff2a3d4cd"
    },
    {
      "id": "chg_01a08507-d43b-711a-aa03-d1d7c57b898c",
      "kind": "check.unverifiable",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.auth_gated",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 07:17:57.889565+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Transport (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a08507-d43b-711a-aa03-d1d7c57b898c"
    },
    {
      "id": "chg_01a08507-d43c-762d-9a96-71c43d168060",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.auth_gated",
      "to_code": "toolsafety.unreachable",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 07:17:57.889565+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we couldn't read the endpoint's tools.)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a08507-d43c-762d-9a96-71c43d168060"
    },
    {
      "id": "chg_01a08507-d43d-7c5d-bffd-c95ed0d6f327",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "auth_gated",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "auth_gated"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 07:17:57.889565+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Endpoint reachability (behind authorisation → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a08507-d43d-7c5d-bffd-c95ed0d6f327"
    },
    {
      "id": "chg_01a07abc-936a-7cf2-899f-f169fe4714d2",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 07:19:33.734967+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a07abc-936a-7cf2-899f-f169fe4714d2"
    },
    {
      "id": "chg_01a07abc-936b-7c12-92a9-f918a0b565a0",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.auth_gated",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 07:19:33.734967+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool safety (Tool safety blocked by authentication: the endpoint requires auth we don't have to read its tools.)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a07abc-936b-7c12-92a9-f918a0b565a0"
    },
    {
      "id": "chg_01a07abc-936d-704c-8939-076789cf8833",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "not_mcp",
      "to_value": "auth_gated",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "auth_gated",
        "from": "not_mcp"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 07:19:33.734967+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Endpoint reachability (not serving MCP → behind authorisation)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a07abc-936d-704c-8939-076789cf8833"
    },
    {
      "id": "chg_01a06b45-d863-72cc-96ef-5ce4c31744ff",
      "kind": "check.unverifiable",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.auth_gated",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 07:15:34.387094+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Transport (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a06b45-d863-72cc-96ef-5ce4c31744ff"
    },
    {
      "id": "chg_01a06b45-d865-72e8-8d47-83e6dc29dc24",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.auth_gated",
      "to_code": "toolsafety.unreachable",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 07:15:34.387094+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we couldn't read the endpoint's tools.)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a06b45-d865-72e8-8d47-83e6dc29dc24"
    },
    {
      "id": "chg_01a06b45-d868-72c0-930b-62dbbc4e9b25",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "auth_gated",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "auth_gated"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 07:15:34.387094+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Endpoint reachability (behind authorisation → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a06b45-d868-72c0-930b-62dbbc4e9b25"
    },
    {
      "id": "chg_01a05bd2-99b7-783d-b45a-099aa5c5ea18",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:15:23.685615+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a05bd2-99b7-783d-b45a-099aa5c5ea18"
    },
    {
      "id": "chg_01a05bd2-99b8-7691-8444-377985e4f754",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.auth_gated",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:15:23.685615+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool safety (Tool safety blocked by authentication: the endpoint requires auth we don't have to read its tools.)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a05bd2-99b8-7691-8444-377985e4f754"
    },
    {
      "id": "chg_01a05bd2-99b9-7d2f-88a6-5b0f6b4f9d00",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "not_mcp",
      "to_value": "auth_gated",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "auth_gated",
        "from": "not_mcp"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:15:23.685615+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Endpoint reachability (not serving MCP → behind authorisation)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_01a05bd2-99b9-7d2f-88a6-5b0f6b4f9d00"
    },
    {
      "id": "chg_019fc676-ce84-7709-88f9-f95f40429445",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.20",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:11:42.702496+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Stability (0.20 → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fc676-ce84-7709-88f9-f95f40429445"
    },
    {
      "id": "chg_019fc676-ce83-7076-987c-0fb2ca536d00",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:11:42.702496+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fc676-ce83-7076-987c-0fb2ca536d00"
    },
    {
      "id": "chg_019fc676-ce83-7ef2-8d86-342f58a09e76",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "429",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:11:42.702496+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fc676-ce83-7ef2-8d86-342f58a09e76"
    },
    {
      "id": "chg_019fc676-ce85-7b3d-8a33-ea435cefd4c4",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:11:42.702496+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fc676-ce85-7b3d-8a33-ea435cefd4c4"
    },
    {
      "id": "chg_019fc498-55ae-7f11-9f34-301a215f6cb4",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 22:29:05.563885+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fc498-55ae-7f11-9f34-301a215f6cb4"
    },
    {
      "id": "chg_019fc498-55af-7be3-ab42-932209333440",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 22:29:05.563885+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fc498-55af-7be3-ab42-932209333440"
    },
    {
      "id": "chg_019fbc24-a4f4-71c0-96df-487ff1008572",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.13",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:05:45.959282+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Stability (0.13 → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fbc24-a4f4-71c0-96df-487ff1008572"
    },
    {
      "id": "chg_019fbc24-a4f4-7c4a-9d05-a05aaa1218af",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:05:45.959282+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fbc24-a4f4-7c4a-9d05-a05aaa1218af"
    },
    {
      "id": "chg_019fbc24-a4f5-72db-82c3-b45f6d7f8b49",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "429",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:05:45.959282+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fbc24-a4f5-72db-82c3-b45f6d7f8b49"
    },
    {
      "id": "chg_019fbc24-a4f6-787e-928c-356359d261b9",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:05:45.959282+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/io-usefulapi-stream/stream#chg-chg_019fbc24-a4f6-787e-928c-356359d261b9"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 27,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 7,
          "to_days": 8
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-17",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 13,
        "to": 17,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 4,
          "to_days": 5
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 7,
        "to": 10,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 2,
          "to_days": 3
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-13",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-12",
      "total": 72,
      "delta": 54,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-09",
      "total": 18,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-09-07",
      "total": 28,
      "delta": 10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-09-04",
      "total": 18,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    }
  ]
}